Pratt starts by chugging some Blue Ice vodka and follows it up by downing a bottle of Smirnoff Ice to top off his icing, since he was challenged twice.

Just before he is completely finished gulping down the entire bottle of Smirnoff Ice in one go, he is hit with a healthy dousing of water that comes from above. The camera pans up and we can see what appears to be Anna Faris (identified mostly by her signature laugh) and a friend holding large red buckets and bent over with giggles at the completed challenge.

"Really?" Pratt asks looking up as more water rains down on him. "That's so cold. It's way too fun for you guys." He says all in good humor.

After the next downpour of water, Pratt adds, "That one went down my butt crack!"

It looks like Pratt hasn't lost his Guardians of the Galaxy figure. You can clearly see the actor's abs through his wet shirt, and we're impressed all around, both with his ability to chug Smirnoff Ice so seamlessly and maintain such a great shape.

The ALS Ice Bucket Challenge aims to raise awareness for ALS. While some argue that the challenge is pointless, it has gained lots of attention this year via social media and has led to the ALS Association raising $13.3 million compared to $1.7 million last year during the same time period (July 29 to Aug. 17), according to Buzzfeed.

Continuing with the rules of the challenge, Pratt ends his video by challenging three more people. And who better than his costars? Pratt calls out Everwood's Gregory Smith, Parks and Recreation's Nick Offerman, and Guardians of the Galaxy's Dave Bautista. All of them have since completed the challenge.

We have to say, Bautista's is the most hilarious. Such a big man crouched in such a small, albeit beautiful, tub. It's awesome.